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25 = 4.5z + 12What is the solution for z
General
2 months ago
The Candy Store held a raffle, and Matt won the grand prize. He won a gift card to the store, as well as a bag of giant lollipops. He gave 21 lollipops to his friends, and he kept the remaining 7 lollipops. Which equation can be solved for n to find the total number of lollipops in the bag?
General
2 months ago
You increase the size of a page by50%. Then you decrease it by 50%. What is the size of the page now?
General
2 months ago
How do you multiply and divide integers with models
General
2 months ago
The number of trucks registered in a city increases by 10% each year. Initially, there were 100 trucks registered. There were 110 trucks registered at the end of Year 1.What is the number of trucks registered in the city at the end of Year 8?
General
2 months ago
0.3(4-x)=x-1.4 how do you solve this problem?
General
2 months ago
Suzette went to the mall with her uncle Louie and ended up having to borrow some money to finish her holiday shopping. Suzette saw an egg-beater that she wanted to get for her sister. It cost $12.00 and she said to her uncle, “If you will lend me as much money as I currently have in my wallet, I will buy the beautiful beater for Betty.” He agreed and lent her the money. At another store she found a handsome slide rule for her brother, also for $12.00. She made the same deal with her uncle. “If you will lend me as much money as I currently have in my wallet, I will buy the rad rule for Robert.” Once again, he agreed. Finally, Suzette decided to splurge on a CD for herself, which also happened to cost $12.00. You guessed it. She made the same deal with her uncle. This time however, after completing the transaction, her wallet ended up empty. How much money did Suzette have at the beginning of her shopping spree?
General
2 months ago
What are the terms to this arithmetic series? A1=A2=A3=A4=A5=
General
2 months ago
Can someone please explain how to do this to methere are 69 men and 59 women in a room. 26 of the men and 27 of the women earn more than $50,000 per year. 1) what is the probability of randomly selecting a man or a person that earns more than $50,000 from this group? round to the nearest 10th of a percent.
General
2 months ago
Point D is the center of the inscribed circle of A ABC. Which step can you use to draw the inscribed circle of A ABC?A. Draw arcs of equal lengths intersecting AB,BC, and AC in two points each.B. Draw the perpendicular bisectors of AB. BC. and AC that pass through point D.C Label a point Eon AB and draw a line joining Ewith D.D. Draw a line through D that is perpendicular to one of the sides, AB BC, or ACEDraw one arc each on AB and BC, and find their point of intersection,
General
2 months ago
A quality inspector must verify whether a machine that packages snack foods is working correctly. The inspector will randomly select a sample of packages and weigh the amount of snack food in each. Assume that the weights of food in packages filled by this machine have a standard deviation of 0.30 ounce. An estimate of the mean amount of snack food in each package must be reported with 99.6% confidence and a margin of error of no more than 0.12 ounces. What would be the minimum sample size for the number of packages the inspector must select?
General
2 months ago
Sketch the domain D bounded by y = x^2, y = (1/2)x^2, and y=6x. Use a change of variables with the map x = uv, y = u^2 (for u ? 0) to calculate Double integral Dy^ - 1dx dy. This is an improper integral since f(x, y) = y^ - 1 is undefined at (0, 0), but it becomes proper after changing variables.
General
2 months ago
There are 39 students in a psychology class. The class has been divided into 10 groups; 9 groups have 4 students in them, 1 group only has 3 students. The instructor puts all of the students names in a hat and then randomly draws 1 name. What are the chances that the one name will be the name of someone in the small, 3-person group?
General
2 months ago
Your portfolio consists of two assets: $10,500 of Intel's corporate bonds and $15,700 of Microsoft stock. The standard deviations of returns for Intel's bonds and Microsoft stock are 12% and 27%, respectively. The correlation between these two investments is 0.33. What is the standard deviation of your portfolio?
General
2 months ago
trigonometry problem
General
2 months ago
You are applying for an 80/20 mortgage to buy a house costing $175,000.The first (80%) mortgage has an interest rate of 4.75%, and the second (20%)mortgage has an interest rate of 7.525%. Both the first mortgage and thesecond mortgage are 30-year fixed-rate mortgages. What will the totalamount of the mortgage be?
General
2 months ago
The function f(x) has been transformed to give g(x). Which of the following functions represent g(x)A. g(x) = (1/2) x^2B. g(x) = 4x^2C. g(x) = 1/4 x^2D. g(x) = 2x^2f(x) = x2g(x) = ?
General
2 months ago
Trainees must complete a specific task in less than 2 minutes. Consider the probability density function below for the time it takes a trainee to complete the task.f(x) = 0.85 - 0.35x0 < x < 2a) What is the probability a trainee will complete the task in less than 1.31 minutes? Give your answer to four decimal places.b) What is the probability that a trainee will complete the task in more than 1.31 minutes? Give your answer to four decimal places.c) What is the probability it will take a trainee between 0.25 minutes and 1.31 minutes to complete the task? Give your answer to four decimal places.d) What is the expected time it will take a trainee to complete the task? Give your answer to four decimal places.e) If X represents the time it takes to complete the task, what is E(X2)? Give your answer to four decimal places.f) If X represents the time it takes to complete the task, what is Var(X)? Give your answer to four decimal places.
General
2 months ago
Ashley is making lemonade. The recipe she is using calls for $\frac{3}{4}$ cup of water. Ashley wants to make five times the amount of lemonade that the recipe calls for. She mistakenly uses $4$ cups of water. If $x$ is the number of cups of water Ashley is supposed to use and $y$ is the number of cups of water she actually uses, what is $x-y$? Express your answer as a decimal.
General
2 months ago
From where the shoes spilled (48Â°N, 161Â°W) to where they were found on May 22nd 1996 (54Â°N, 133Â°W), how many kilometers did they travel? How many days did they take to travel that distance (use April 30 as the date found)? What was their rate of travel in kilometers per hour?
General
2 months ago
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